query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Primary' hyperaldosteronism doesn't lead to - | Ans. is 'a' i.e., Hyperkalemia Clinical manifestations of hvperaldosteronismo Excess activation of the mineralocorticoid receptor leads to potassium depletion and increased sodium retention, with the latter causing an expansion of extracellular and plasma volume,o Increased ENaC activity also results in hydrogen deplet... | 152,800 | medmcqa_train |
In the first trimester screening for Down syndrome which of the following test is to be done? | a. Beta HCG, PAPPA(Ref: Nelson's 20/e p 610-615)Methods for Antenatal Screening for Down Syndrome - In 1st Trimester pg 79Screening methodDetection rateMaternal age + Biochemical markers (b-hCG, PAPPA)Q70%Maternal age + Radiology (USG- NT>3mm)80%-83%Combined test: Mat. Age + Radiology (USG-NT>3mm)82%-87%*PAPPA is Pregn... | 152,801 | medmcqa_train |
Nerve affected in trendenlenberg test is - | Ans. is 'a' i.e., Superior gluteal nerve | 152,802 | medmcqa_train |
True about gastric juice secretion is? | ANSWER: (B) 20% in cephalic phaseREF: Ganong s 22nd ed p. 484 , Guytons 11th ed p. 834-845Phases of gastric acid secretion:Cephalic phase: Accounts for 20% of secretion and occurs when food is not even in mouth, stimulated by sight or smell of food. The impulses originate in cortex and reach the glands my dorsal motor ... | 152,803 | medmcqa_train |
pH of set MTA is: | Mineral trioxide aggregate (MTA) is composed of tricalcium silicate, tricalcium aluminate, tricalcium oxide and silicate oxide.
Bismuth oxide is added to the mixture for radiopacity.
pH - 12.5 (when set).
Setting time is 2 hours 45 minutes.
Compressive strength—40 MPa (immediately after setting) which increases to 70 ... | 152,804 | medmcqa_train |
Most common extraintestinal site for amoebiasis is: | Liver | 152,805 | medmcqa_train |
In Medical termination of pregnancy, according to FDA, Misoprostol is given after how many hours of Mifepristone? | FDA approved protocol - (Original protocol) 600 mg of mifepristone (i.e., 3 tablets) given orally on day 1 followed 2 days (48 hours) later by oral misoprostol 400 tig (2 tablets) on day 3. The treatment should be staed no more than 48 days from the sta of the last menstrual period. But according to the recent protocol... | 152,806 | medmcqa_train |
Drug of choice for peussis is? | Macrolides are preferred agents in Peussis Due to increased risk of infantile hyperophic pyloric stenosis in neonates treated with oral erythromycin, Azithromycin is the preferred agent in all age groups. | 152,807 | medmcqa_train |
Not implicated in congenital transmission is: | Hepatitis A is transmitted by feco-oral route. vertical transmission is not seen. | 152,808 | medmcqa_train |
Which of these is a conservative mutator: | C i.e. Alanine - leucine | 152,809 | medmcqa_train |
A 1 year old girl presents with a 2-day history of fever, vomiting, and watery, nonbloody diarrhea. On physical exam, she appears dehydrated. Which of the following best describes the most likely infecting organism? | Rotavirus is the most common cause of gastroenteritis in children between 3 months and 2 years of age. It is most prevalent in the winter. Rotavirus, one of the reoviruses, looks like a wheel (which ROTAtes) and possesses a double-shelled icosahedral capsid with no envelope. Its genome consists of 11 segments of double... | 152,810 | medmcqa_train |
A 2 year old child presented with leukocoria in the right eye since 2 months. On examination a total retinal detachment was present in the same eye. Ultrasound B scan revealed a heterogenous sub retinal mass with calcification. The most likely clinical diagnosis is – | Leukocoria with calcification in subretinal mass suggests the diagnosis of exophytic retinoblastoma.
Exophytic retinoblastoma can cause retinal detachment. | 152,811 | medmcqa_train |
Sensitive investigation to detect ectopic parathyroid | Sestamibi scan is very sensitive to detect parathyroid adenoma and ectopic parathyroid. | 152,812 | medmcqa_train |
Lice are not the vectors of - | Vector Diseases transmitted Soft tick Relapsing fever, Q fever, KFD (outside India) Hard tick Tularemia, Babesiosis, KFD (India), Tick paralysis, Tick encephalitis, Indian tick typhus, Tick hemorrhagic fever, Rocky Mountain spotted fever. Lice Epidemic typhus Trench fever relapsing fever REF: PARK'S TEXTBOOK OF PREVENT... | 152,813 | medmcqa_train |
Most common subtype of thyroid cancer is ? | Papillary Carcinoma is the most common subtype. It is 70-80% common. Common in females and younger age group. It is a slowly progressive and less aggressive tumor. Reference: SRB's Manual of Surgery, 6th Edition, page no= 468. | 152,814 | medmcqa_train |
Parakeratosis is defined as: | Increased thickness in stratum corneum | 152,815 | medmcqa_train |
Digoxin toxicity is increased by all except: | Hypokalemia increases the binding of digoxin to Na-k ATPase and enhances its toxicity. Hypokalemia decreases digoxin toxicity Diuretics also interfere with the action of digoxin (REF. Essentials of medical pharmacology KD TRIPATHI 8th Edition) | 152,816 | medmcqa_train |
Paradoxical splitting of second hea sound is seen in- | A split S2 is a finding upon auscultation of the S2 hea sound. It is caused when the closure of the aoic valve (A2) and the closure of the pulmonary valve (P2) are not synchronized during inspiration. The second hea sound (S2) is caused by the closure of the aoic and pulmonic valves, which causes vibration of the valve... | 152,817 | medmcqa_train |
Copper-T with threads is visible in a case of early pregnancy. Treatment of choice is | If the woman wishes to continue with the pregnancy and the threads of Cu T are visible, the device should be removed by gently pulling through threads. Removal of IUCD in the early pregnancy has been found to reduce the aboion rate Reference : Park&;s textbook of preventive and social medicine, 23rd edition, Page no: 4... | 152,818 | medmcqa_train |
An apparently healthy newborn with a hardy appetite has begun feedings with formula. When she is laid down in the crib after feeding, she experiences projectile vomiting. Which of the following conditions is a probable cause of this vomiting? | An esophageal hiatal hernia is a herniation of the stomach through the esophageal hiatus into the thoracic cavity. This compromises the esophagogastric sphincter so that stomach contents can easily reflux into the esophagus. The combination of a full stomach after feeding and lying down in the crib will cause vomiting ... | 152,819 | medmcqa_train |
Occulomotor nucleus is located in - | Ans. is 'b' i.e., Midbrain o Cranial nerves I, IIo Cranial nerves III, IVo Cranial nerves V, VI, VII, VIIIo Cranial nerves IX, X, XI, XII----ForebrainMidbrainPonsMedulla | 152,820 | medmcqa_train |
Liquid chemical waste is discarded in: | Liquid chemical waste used for disinfection purposes, cleaning and housekeeping are discarded in yellow bag. Chemical treatment is done followed by draining the liquid. Category Type of waste Yellow Human Anatomical Waste Animal Anatomical Waste Soiled Waste Expired or Discarded Medicines Chemical Waste Discarded Linen... | 152,821 | medmcqa_train |
A 35 years old hypermetrope is using 1.50D sphere both eyes. Whenever his glasses slip downward on his nose he will feel that his near vision – | The farther a convex lens is from the eyes the more it relieves accommodation because its focus is brought by so much nearer to the retina, hence a weak lens at a distance has the same effect as a more proximal and stronger one.
For this reason, old people sometimes prefer to wear their spectacles on the tip of the nos... | 152,822 | medmcqa_train |
who gave the topographical theory of mind | CONTRIBUTIONS OF FREUD o Father of psychoanalysis He founded a type of psychotherapy called psychoanalysis. It is nothing but analyzing the psych(MIND) o Interpretation of dreams According to Freud dreams are royal road to unconscious In dreams several conflicts that are present in the unconscious comes to the consciou... | 152,823 | medmcqa_train |
The patients of Down syndrome has high risk of developing ________ in the future : | Patients with Down syndrome i.e 21st trisomy has highest risk for developing Alzheimer's disease as gene for APP (Amyloid precursor protein) is present on chromosome 21. | 152,824 | medmcqa_train |
What is the interpretation of the given cervix biopsy of 50 yr old lady? NOT RELATED-PATHO | . | 152,825 | medmcqa_train |
Major contribution towards gluconeogenesis is by? | D i.e. Alanine | 152,826 | medmcqa_train |
A 50yearold patient with abdominal discomfo since last 2 years, was found to have a large spleen of 3 kg. Bone marrow is difficult to aspirate. Most probable diagnosis is: March 2011 | Ans. B: Myelofibrosis Most patients of myelofibrosis present over the age of 50 years. The spleen can be massively enlarged due to extramedullary haematopoiesis The marrow is often difficult to aspirate Myelophthisic syndrome Primary myelofibrosis: - Due to invading by tumour cells, usually of an epithelial cancer of t... | 152,827 | medmcqa_train |
True about anatomy of Fallopian tubes: | C i.e. Ovary is attached to uterus by ovarian ligament | 152,828 | medmcqa_train |
A 35 year old male presented with nasal discharge, facial pain and fever which subsided with a course of antibiotics and antihistaminics, which recurred again after 2 months. O/E mucopurulent discharge from middle meatus, and inflamed sinus openings, investigation of choice - | NCCT PNS is non-contrast Computerized Tomography of the Paranasal sinuses. It is a study to determine the status of the nose and sinuses and the extent of sinusitis. Mucosal thickening and the ostial block of all the sinuses means that there are signs of sinusitis or infection and that there is a sinus problem. It is t... | 152,829 | medmcqa_train |
Regarding alpha feto-protein true statement is : | Ans. is a i.e. Major source in fetal life is yolk sac As discussed earlier : "AFP is synthesized early in gestation by the fetal yolk sac and later by the fetal GITand liver." No where it is given that major source is yolk sac so this statement (option "a") is paially correct. AFP levies are not increased in wilms tumo... | 152,830 | medmcqa_train |
Randomized controlled trials are - | Ans. is 'a' i.e., Clincial trials | 152,831 | medmcqa_train |
Which IPC includes vitriolage - | Vitriolage * Vitriolage means throwing of acid on the face or body of a person with a malicious intention to cause bodily harm or disfigurement or to cause blindness. * The term is derived from the practice of throwing sulfuric acid (oil of vitriol). However, it is broadly used to denote injury caused by throwing any c... | 152,832 | medmcqa_train |
A female is on warfarin after her valve replacement surgery. All about warfarin are TRUE, EXCEPT: | Absolute contraindications of warfarin: Previous CNS bleeding Recent neurosurgery Active frank bleeding Early pregnancy and delivery Relative contraindications: Active peptic ulcer disease Chronic alcoholism Bleeding diathesis Severe hypeension Severity and type of liver disease may influence warfarin pharmacokinetics.... | 152,833 | medmcqa_train |
In central serous retinopathy, in the macular region, there occurs | Ans. . Spontaneous detachment of neuro-sensory retina | 152,834 | medmcqa_train |
Fluoroquinolone with highest oral bioavilability:- | Bioavailability : rate and extend to which an administered drug reaches the systemic circulation . Of the above mentioned drugs:- Levofloxacin has maximum bioavailability Norfloxacin has minimum bioavailability | 152,835 | medmcqa_train |
A lesion of the ventrolateral part of the spinal cord will lead to the loss (below the level of the lesion) of | Sensations carried by the posterior column
- Proprioception, Vibration, kinesthesia, fine touch.
Sensations carried by the anterolateral column
- Temperature, pain (lateral) and crude touch (anterior)
Crossing over of fibers occurs in case of the anterolateral system. | 152,836 | medmcqa_train |
The best radiographic view for TMJ is | The panoramic image is a useful tool for providing a broad overview of the TMJ and surrounding structures. It serves the purpose of allowing the clinician to rule out gross disease, and for some patients, it is the only imaging required before conservative therapy is initiated. Gross osseous changes in the condyles may... | 152,837 | medmcqa_train |
An 8 year old child presented with signs of increased intracranial tension. Imaging studies showed a growth in the brain. Which is the commonest tumor in a child in the posterior fossa of head? | Medulloblastoma arises in the posterior pa of the cerebellar vermis and neuroepithelial roof of the fouh ventricle in children. It accounts for 20 percent of childhood brain tumors. Primitive neuroectodermal tumor is the most common type of medulloblastoma. Most occur in the first decade of life, but there is a second ... | 152,838 | medmcqa_train |
A patient presented with peripheral field loss and fundus examination shows waxy exudates & pale disc with pigmentation around retinal vessels, diagnosis is | D i.e. Retinitis-pigmentosa | 152,839 | medmcqa_train |
Lesch - Nyhan Syndrome - associated with | It is X-linked inherited disorder of purine metabolismDeficiency of HGPase, so the rate of salvage pathway is decreased resulting in the accumulation of PRPP and decreased level of inhibitory purine nucleotide Disease is characterized by self-mutilation, mental retardation excessive uric acid and nephrolithiasis Ref: D... | 152,840 | medmcqa_train |
Mould therapy is used in the treatment of: | Ans: d (Skin cancer)Mould therapy is actually used in the treatment of penile carcinomas. But in the choices there was no penile cancer.As penile carcinoma can be considered as penile skin cancer and is squamous cell carcinoma, it better to go for the option skin cancer | 152,841 | medmcqa_train |
In a firearm injury, there is burning, blackening, tattooing around the wound, along with a cherry red colour of the surrounding tissues and is cruciate in shape, the injury is - | This question is tricky. First see the information provided in the question:-
Burning, blackening, tattooing around the wound.
Cherry red colour of surrounding tissue.
Both these are features of close shot entry. But the other important information in question is the cruciate shape of entry wound, a feature of cont... | 152,842 | medmcqa_train |
Normal anion gap is (in mEq/L) ? | Ans. is `b' i.e., 10-12 | 152,843 | medmcqa_train |
The most common injury in a 7 years old child due to fall on outstretched hand is | D i.e. Supracondylar fracture of humerus | 152,844 | medmcqa_train |
Oxygen dependent killing is done through which of the following enzymes? | Oxygen dependent killing is done through NADPH oxidase, which oxidases NADPH and reduces oxygen to superoxide anion. Superoxide is then conveed to hydrogen peroxide by spontaneous dismutation. In presence of chloride, myeloperoxidase in neutrophils can conve hydrogen peroxide to hypochlorous acid, which is bactericidal... | 152,845 | medmcqa_train |
Which of the following poison retards putrefaction: | B i.e. Carbolic Acid | 152,846 | medmcqa_train |
The given manifestation is the most common symptom of which of the following neuroendocrine tumor of pancreas? | The image shows Central necrosis & Peripheral Erythema "Necrolytic Erythema Migrans". It is the most common manifestation of Glucagonoma Glucagonoma / Hyperglycemic Cutaneous Syndrome. 4 D Syndrome Diabetes Mellitus - Dermatitis (M.C symptom) "Necrolytic Erythema Migrans" DVT Depression M.C site of tumor - Body & Tail ... | 152,847 | medmcqa_train |
A woman complains of coloured haloes around lights in the evening, with nausea and vomiting, IOP is normal; Diagnosis is | B i.e. Prodromal stage of closed angle glaucoma In Prodromal (Latent) stage of angle closure glaucoma there occurs an attack of transient rise in IOP (40-60 mmHg) lasting for few seconds only Q. Such attacks are intermittent and are usually precipitated by overwork, anxiety, fatigue or due to dilation of pupil (as read... | 152,848 | medmcqa_train |
High - resolution CT of the lung is a specialized CT technique for greater detail of lung parenchyma and it utilizes: | C i.e. Bone - algorithm for image reconstruction | 152,849 | medmcqa_train |
Preferred shunt procedure in patient with poal hypeension having acceptable operative risk and adequate liver function is | Answer- D. Distal splenorenal shuntPoosystemic shunt procedures such as splenorenal shunt and mesocaval shunt, may be indicated in patients with complication of poal hypeension.Given the early occlusion rate and the need for constant surveillance, it is generally advised that TIPS should be reserved for Child C classif... | 152,850 | medmcqa_train |
Thymic hyperplasia is seen in ? | Ans. is 'c' i.e., Mysthenia gravisThymic hvperplasiaThe term thymic hyperplasia usually applies to the appearance of B-cell germinal centers within the thymus, a finding that is referred to as thymic follicular hyperplasia.Such B-cell follicles are present in only small numbers in the normal thymus.It can occur in a nu... | 152,851 | medmcqa_train |
Last ocular muscle to be involved in Graves' disease- | *Order of involvement (Mnemonic : IM SLO) :- Inferior rectus > medial rectus > superior rectus > Lateral rectus > obliques. Ref: Head & Neck Surgery 2nd/e p.1513 | 152,852 | medmcqa_train |
Not included in Charcot's triad? | Gallbladder lump is not a component of Charcot's triad of ascending cholangitis secondary to CBD stones.The triad includes intermittent features like colicky pain,fever & jaundice. Reference:SRB's manual of surgery,5th edition,page no:651. | 152,853 | medmcqa_train |
Hydatidiform mole is principally a disease of: | Ans. is b, i.e. ChorionRef. Dutta 7/e, p 190Now don't tell me you want me to explain this--H mole is a benign neoplasm of chorion with malignant potential | 152,854 | medmcqa_train |
Severity of pancreatitis can be best assessed by: | Ans. (c) RANSON SCORERef: Bailey & Love 26th ed. /1128RANSON CRITERIAAt Admission* Age in years > 55 years* White blood cell count > 16000 cells/mm3* Blood glucose >10 mmol/L (> 200 mg/dL)* Serum AST > 250 IU/L* Serum LDH > 350 IU/LWithin 48 hours* Serum calcium < 2.0 mmol/L (< 8.0 mg/dL)* Hematocrit fall > 10%* Oxygen... | 152,855 | medmcqa_train |
Frotteurism is: NEET 13 | Ans. Sexual gratification by rubbing private pas | 152,856 | medmcqa_train |
The following pedigree represents: | The pedigree shows the Autosomal Dominant inheritance pattern.
The various autosomal dominant disease can be named as,
Mnemonic:
Vo Familial Hypercholesterolemia Autosomal DOMINANT Hai. | 152,857 | medmcqa_train |
After use of some drug, a person develops episodes of rage in which he runs about and indiscriminately injures a person who is encountered in way. He is probably addict of- | Episodes of rage in which the person runs about and injures others is suggestive of running amok, which is seen in Cannabis abuse. | 152,858 | medmcqa_train |
Mitral cells and periglomerular cells are seen in | In the olfactory bulbs, the axons of the olfactory sensory neurons contact the primary dendrites of the mitral cells and tufted cells to form anatomically discrete synaptic units called olfactory glomeruli. The olfactory bulbs also contain periglomerular cells, which are inhibitory neurons connecting one glomerulus to ... | 152,859 | medmcqa_train |
Most commonly used approach for retrosternal goitre:- | Retrosternal goitre: - >50% thyroid tissue located below neck - A.K.A i. Sub-sternal Goitre ii. Mediastinal Goitre Retrosternal Goitre Primary Mediastinal Goitre - BLOOD SUPPLY From Neck region From mediastinum region - APPROACH Transcervical Thoracic Primary Mediastinal Goitre: Diameter of Goitre > Thoracic inlet | 152,860 | medmcqa_train |
Not a symptom of angle closure glaucoma – | Transient blurring of vision and headache is seen in stage of constant instability.
Coloured halos are seen in acute congestive stage. | 152,861 | medmcqa_train |
In 3 year child with polio paralysis, the tendon transfer operation is done at - | Tendon transfers : are done to equalize an unbalanced paralysis or to use the motor power of working muscles for more useful functions. It is not done before 5 yrs of age as the child has to be manageable enough to be taught proper exercises.
As the child is 3 years old, tendon transfer should be done after 2 years (at... | 152,862 | medmcqa_train |
Which is not a perceptional disorder | Imagery: awareness of a percept that has been generated within the mind, can be terminated by an effo of will. It is a pa of a normal phenomenon Hallucination: False sensory perception occurring in the absence of any relevant stimulation of the sensory modality involved. Types: auditory, Visual, tactile, gustatory, sme... | 152,863 | medmcqa_train |
High Oxygen tension in alveoli is due to: | B i.e. Ventilation - Perfusion mismatch | 152,864 | medmcqa_train |
Only ketogenic aminoacid is - | Ans. is 'a' i.e., LeucineA) Glucogenic amino acids These can be converted into glucose. 14 amino acids are glucogenic: alanine, arginine, aspargine, aspartic acid, cysteine, glutamine, glutamic acid, glycine, histidine, methionine, proline, serine, threonine, valine.B) Ketogenic amino acids These can be converted into ... | 152,865 | medmcqa_train |
Excessive crying is seen after which vaccination : | An uncommon reaction to DPT (due to pertussis) component is Prolonged screaming. | 152,866 | medmcqa_train |
Perception of a non-noxious stimulus as pain is termed as | (A) Allodynia # Allodynia is a non-painful stimulus, once perceived, is experienced as painful, and even excruciating.> Hyperalgesia denotes severe pain in response to a mildly noxious stimulus.> Hyperesthesia means pain in response to touch.> Hyperesthesia/hypoasthesia is increase/decrease respectively incutaneous sen... | 152,867 | medmcqa_train |
Colour of O2 cylinder | D i.e. Black & White | 152,868 | medmcqa_train |
In iceberg phenomenon, the submerged part represents | Ans. (a) Undiagnosed cases in communityRef : K. Park 23rd ed. /39, 135; K. Park 21s,ed. /37 | 152,869 | medmcqa_train |
Urea cycle enzymes are | Arginosuccinate synthetase is an enzyme involved. Other options are not present.Ref: DM Vasudevan - Textbook of Biochemistry, 7th edition, page no: 205 .fig 15.13. | 152,870 | medmcqa_train |
Kiesselbach's area does not involve: | Ans: D Posterior ethmoidal artery* Kiesselbach's area aka Kiesselbach;s plexus and Little's area, is an area on the nasal septum located on the antero inferior part of the septum* in this area four arteries anastomose to form a vascular plexus called Kiesselbach's plexus.* The arteries are# Sphenopalatine artery (from ... | 152,871 | medmcqa_train |
A 12 year old girl was brought with fever, malaise, and migrating polyahritis. She had a history of recurrent throat infections in the past. Elevated erythrocyte sedimentation rate is noted. Which among the following is NOT a major Jones criteria for diagnosis of acute rheumatic fever? | Revised Jones Criteria for Diagnosis of Rheumatic Fever: Major criteria: Pericarditis, myocarditis, or endocarditis Chorea Subcutaneous nodules Erythema marginatum Polyahritis Minor criteria: Fever Ahralgias Laboratory findings: elevated sedimentation rate, evidence of preceding streptococcal infection (increased titer... | 152,872 | medmcqa_train |
Characteristic 'tram-line' calcifications in the skull radiographs are observed in: | People who have Sturge-Weber syndrome usually have both facial and intraoral macular hemangioma, although the intraoral hemangiomas may also be of the exophytic variety. An additional characteristic is the "tramline" calcifications seen in lateral skull radiographs.
Wood and Goaz - Differential Diagnosis of oral & maxi... | 152,873 | medmcqa_train |
Which of the following anti - hypertensives was once used as an antipsychotic? | Reserpine is an antihypertensive drug which was used as an antipsychotic. Antipsychotic effect of reserpine is due to depletion of 5 - HT or catecholamine or both.
Clonidine is also an antihypertensive. Its uses in psychiatry are - ADHD, opioid withdrawal, Tourette's syndrome and suppression of agitation in PTSD. | 152,874 | medmcqa_train |
Diaphragm develops from all of the following structures, except? | The diaphragm is, therefore, formed from the following components Pleuroperitoneal membranes forms posterior pa of central tendon. Dorsal mesentry of esophagus forms crus of diaphragm. Body wall forms peripheral pa of diaphragm. cervical myotomes forms muscles of diaphragm. | 152,875 | medmcqa_train |
Which of the following statements best describes long acting nitrate preparations? | Nitrates are generalized smooth-muscle dilators whose direct effect on the vasculature cannot be blocked by any currently available agents. Long acting preparations of nitroglycerin may be completely degraded by the liver in some patients and thus are generally less effective than sublingual forms. Because individual v... | 152,876 | medmcqa_train |
Extrahepatic Manifestations of Hepatitis C include all of the following Except: | Answer is B (Celiac disease) Extrahepatic manifestations in viral hepatitis C: Wepatology' by Kuntz Agranulocytosis Aplastic anaemia Corneal ulceration Ciyoglobillinaemia Diabetes mellitus (type I) Erythema exsudativum multiforme Glomerulonephritis Guillain-Barre syndrome Hyperlipasaemia Lichen planus Non-Hodgkin lymph... | 152,877 | medmcqa_train |
Which of the following happens when a nerve impulse arrives at the neuromuscular junction? | Molecules of ACh diffuse across the synaptic cleft and bind to ACh receptors on the motor end plate. Ref: Human Anatomy And Phsyiology, edited by Sanghani, Page 204 | 152,878 | medmcqa_train |
Formation of primary ovary in female foetus takes place by | C i.e. 10 weeks | 152,879 | medmcqa_train |
A chromosomal anomaly associated with Alzheimer's dementia is: | Answer is C (Trisomy 21) : Several genetic factors are known to play impoant roles in pathogenesis of at least some cases of Alzheimers disease. Trisomy 21 is one of them. Adults with trisomy 21 (Down's) consistently develop the Neuropathologic hallmark's of Alzheimer's disease if they survive beyond age 40. | 152,880 | medmcqa_train |
Chlamydia are isolated by | Isolation of chlamydiae can be done by :Inoculation into yolk sac/embryonated eggs of 6-8 day old chick embryo which may be pretreated by streptomycin or polymyxin B.Inoculation into experimental animals (mice)Tissue/cell culture:Preferred modeCommonly used cell lines are McCoy and HeLa cells.Cell cultures are pretreat... | 152,881 | medmcqa_train |
In a village of 1 lakh population, among 20, 000 exposed to smoking, 200 developed cancer, and among 40,000 people unexposed, 40 developed cancer. The relative risk of smoking in the development of cancer is - | Ans. is 'b' i.e., 10 | 152,882 | medmcqa_train |
Type of schizophrenia with mental retardation: NEET 13 | Ans. Pfropf schizophrenia | 152,883 | medmcqa_train |
Not a risk for cholangio carcinoma - | </p> Davidson&;s principles and practice of medicine 22nd edition. *The tumour is associated with gallsgallstones,primary and secondary cholangitis,caroli&;s disease and choledochalcyst,chronic liver fluke infection (clonorchis sinensis) is the major risk factor for development for CCA.</p> | 152,884 | medmcqa_train |
The most common enzyme deficiency in man is ? | A i.e. Glucose-6- PO4 dehydrogenaseGlucose 6 phosphate dehydrogenase deficiency is most common and pyruvate kinase deficiency is 2.d most common cause of enzyme deficiency related hemolytic anemiaQ. | 152,885 | medmcqa_train |
In pregnancy, calculation of EDD (expected date of delivery) considers: March 2013 | Ans. A i.e. First day of last menstruation | 152,886 | medmcqa_train |
A 24years old girl with history of head trauma presented with multiple lacerations on the face and eyelids and base of skull fracture. It was noticed she wasn't able to pass tears. The probable cause is injury to- | *The lacrimal drainage apparatus consists of the puncta on the upper lid and the lower lid, the canaliculus, the common canaliculus, the lacrimal sac, and the nasolacrimal duct. *Canalicular lacerations are the most frequent cause of injury to the lacrimal system. The inferior canaliculus is involved in more than 50-75... | 152,887 | medmcqa_train |
Bitter taste is mediated by action of: | Ans. B. G proteina. Taste pathways: -b. Receptor stimulation: -i. For sour Via mammaliondegenerin-I and by activating H+ -gated cation channelsii. For salt Via Epithelium sodium channels (ENaC) by direct application amiloride (diuretic) on tongue, inhibits the ENaC and abolishes the ability to taste salt.iii. For Sweet... | 152,888 | medmcqa_train |
Antenatal maternal HIV diagnosis is of importance in - | HIV infection can be transmitted from an infected mother to her fetus during pregnancy, during delivery, or by breastfeeding.
The relative proportions of mother-to-child transmissions were 23–30% before birth, 50–65% during birth, and 12–20% via breastfeeding.
Treatment of an HIV-infected mother with nevirapine during ... | 152,889 | medmcqa_train |
In hyperkalamia- | Hyperkalemia is defined as a plasma potassium level of 5.5 mM, Early ECG changes of hyperkalemia, typically seen at a serum potassium level of 5.5-6.5 mEq/L, include the following: Tall, peaked T waves with a narrow base, best seen in precordial leads Shoened QT interval ST-segment depression At a serum potassium level... | 152,890 | medmcqa_train |
Which is the most common material used for grafting below inguinal aeries? | For blockage fuher down the leg either a femoral popliteal or femoral distal procedure may be performed. Long saphenous vein is the graft of choice which may be used with its valves destroyed by a special valve cutting instrument or reversed so that the valves do not interfere with the bold flow. Ref: Schwaz's Principl... | 152,891 | medmcqa_train |
All are Flaviviruses except, | Chikungunya belongs to the genus alphavirus of the family Togaviridae. Two genera of medical impoance in Flaviruses- Flavivirus: ahropod borne viruses; Yellow fever, JEV, Dengue... Hepacivirus: Hepatitis C virus, non-ahropod borne Two genera of medical impoance in Togaviruses- Genus- Alphavirus: Chikungunya, Onyong-nyo... | 152,892 | medmcqa_train |
Which of the following conditions typically has rickets with normal or low calcium, elevated phosphorus, elevated parathormone, and elevated alkaline phosphatase? | All of the above conditions are causes of Rickets, so elevated alkaline phosphatase is seen in all the above. Chronic kidney disease is the only condition out of the above, where Phosphate is elevated. | 152,893 | medmcqa_train |
Brodie's abscess is a terminology for: | Brodie's Abscess: Seen in immunocompetent Host Long standing localized pyogenic abscess in the bone (long standing because of strong defence mechanism of body). Involves long bones (metaphysis or diaphysis), e.g. Upper end tibia. Classical Brodie's abscess looks like a small walled off (Sclerotic margins) cavity in bon... | 152,894 | medmcqa_train |
The mandibular foramen transmits which of the following nerve ? | The mandibular foramen lies a little above the centre of the ramus at the level of the occlusal surfaces of the teeth. It leads into the mandibular canal which descends into the body of the mandible and opens at the mental foramen. The inferior alveolar nerve and vessels enter the, mandibular canal through the mandibul... | 152,895 | medmcqa_train |
Cell mediated immunity is by viue of? | All above REF: Jawetz's 24th ed chapter 8 Cell mediated immunity is effected by T cells Helper T cells, suppressor T cells, cytotoxic T cells are types of T Cells | 152,896 | medmcqa_train |
Most common cause of glomerulonephritis is? | Most common cause of glomerulonephritis is Berger disease. Focal segmental glomerulosclerosis is most common cause of nephrotic syndrome. | 152,897 | medmcqa_train |
The following test is not used for diagnosis of leprosy – | Lepromin Test is not used to diagnose leprosy, nor does it indicate prior contact with lepra bacilli. Healthy persons in nonendemic areas with no chance of contact with the bacillus may give a positive lepromin test. | 152,898 | medmcqa_train |
Blood samples for "DNA finger printing" are transpoed in: | EDTA | 152,899 | medmcqa_train |
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